Posts by Drazen Karacic-Soljic

Facebook is using a sort of web page prerendering mechanism in it’s in-app browser for mobile users [see disclosure here]. It is used by Facebook’s in-app browser to speed up page rendering for web link content shared on Facebook. But it can cause serious headaches, and this post should explain how to mitigate it with Apache or nginx.

Do you or your client have a popular Facebook fanpage?! If so – this article might be interesting to you, but first – let’s start with definition of “hammering”, although the term is not unknown to webmasters…

The Heartbleed Bug is a serious vulnerability recently discovered in the widely used OpenSSL cryptographic software library. Although OpenSSL is not directly used in Magento, it’s used on many web servers Magento is run on, providing support for secure (!) connections and transmission of sensitive data. In short – if your Magento website is properly configured, it’s very likely that your checkout process utilizes OpenSSL library at some point. Concerned?! You should be…

Superweek [#spwk] is an annual conference held in northern Hungary (but still close enough to Budapest airport) covering all apsects of (web) analytics – from decision making to real life events tracking.

There are many Magento robots.txt templates floating around, with tens of instructions for crawlers. Most of them deal with preventing crawlers to access some of many Magento’s directories. But sometimes these instructions can be too restrictive and might prevent Google from indexing your images.

LunaMetrics recently published very useful cheatsheet with image/photo dimensions for popular social media sites. Find out how to properly resize your pictures before using them as timeline covers, profile images, etc.

Google Tag Manager is a free tool that eliminates tedious code-editing tasks for your website. The easy-to-use web interface lets your marketing colleagues add and update their own website tags—including javascript code snippets for conversion tracking, site analytics, remarketing and more. They can do it all without bothering you, leaving you time to relax and focus on other important work. – says Google Tag Manager promo material.

While it has astonishing 950 millions users, Avinash Kaushik sees Facebook as completely different advertising story compared to other digital advertising channels. In his latest blogpost he criticizes Facebook ROI explanation given by a Facebook employee on a recent tech conference and in return gives completely different point of view.